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Radioactive isotope dating techniques

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The man's body was recovered and pieces of tissue were studied for their C content by accelerator mass spectroscopy.The best estimate from this dating technique says the man lived between 33 BC. From the ratio, the time since the formation of the rock can be calculated.Radiometric dating (often called radioactive dating) is a way to find out how old something is.The method compares the amount of a naturally occurring radioactive isotope and its decay products, in samples. It is the main way to learn the age of rocks and other geological features, including the age of the Earth itself.This is an important topic, for evolutionists want the history of earth to span long ages in the hopes that this will make the origin and evolution of life more likely.

The best-known radiometric dating techniques include radiocarbon dating, potassium-argon dating, and uranium-lead dating.

A particular isotope of a particular element is called a nuclide. That is, at some point in time, an atom of such a nuclide will spontaneously change into a different nuclide by radioactive decay.

The decay may happen by emission of particles (usually electrons (beta decay), positrons or alpha particles) or by spontaneous nuclear fission, and electron capture.

This chain eventually ends with the formation of a stable, nonradioactive daughter nuclide.

Each step in such a chain is characterized by a distinct half-life.